Invention Grant
- Patent Title: Closure controlling device
- Patent Title (中): 封闭控制装置
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Application No.: US8081336Application Date: 1936-05-20
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Publication No.: US2118950APublication Date: 1938-05-31
- Inventor: STANNARD BENJAMIN F
- Applicant: LEAVELLE AB
- Assignee: Leavelle Ab
- Current Assignee: Leavelle Ab
- Priority: US8081336 1936-05-20
- Main IPC: E05F3/20
- IPC: E05F3/20
Information query
